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Doctor insights on: What Is The Weakest Prescription For Eyeglasses

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What is the strongest eyeglasses prescription?

What is the strongest eyeglasses prescription?

Worst of the worst: A strong glasses prescription implied very severe refractive error. This is usually due to the eye either being too long, too short, or too irregular in shape. This leads to nearsightedness, farsightedness, and astigmatism. Generally the nearsighted prescriptions are highest due to extreme eye length, -30.00 is the worst I have seen. An aphakic person also who is also hyperopic could be +30.00. ...Read more

Dr. Tim Conrad
797 Doctors shared insights

Glasses (Definition)

Glasses is a term that describes a pair of lenses that are placed in a frame to be worn to correct faulty vision ...Read more


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What is the strongest eyeglasses prescription?

What is the strongest eyeglasses prescription?

The one you can see: The best through. Everyone is different, and need different or NO correction to correct their refractive error. So seeing best is the goal! ...Read more

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What is the best way to reduce your eyeglasses prescription?

Get laser surgery: This will reduce or eliminate your need for glasses. ...Read more

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What happens if I wear higher prescription eyeglasses than my actual prescription?

What happens if I wear higher prescription eyeglasses than my actual prescription?

Nothing bad: The eye cannot be damaged if you wear a prescription that is not correct. It will certainly cause strain and possible headaches, but as long as you are an adult, the worst case will be discomfort. The one exception is that children (especially those under age 7) who are not using the correct prescription may develop permanent vision loss. ...Read more

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Can wearing prescription eyeglasses continuously make your natural eyesight get worse?

Can wearing prescription eyeglasses continuously make your natural eyesight get worse?

No effect on sight: If you think of your eye as a camera, having a properly focused lens gives clearest picture possible, but the lens itself does not change the camera. The need for glasses comes from the eye not having the right shape or length. Glasses compensate for the physical abnormalities of the eye, but do not change the eye. So, using glasses does not help or worsen the natural sight. ...Read more

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Where can I buy new eyeglasses without a prescription by using my current lenses for them to copy?

Eyeglasses: If you want use your current lenses and want to chage just the frame, you may be able to get it done any of the local eyeglasses center. But it hard to find a suitable frame for old lenses. ...Read more

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What does a prescription for eyeglasses do for asthenopia?

What does a prescription for eyeglasses do for asthenopia?

Some relief: Asthenopia is pain in the eyes associated with long periods of close work. A proper prescription can potentially lessen this problem, but usually won't completely alleviate it. In people who need reading glasses, having an adequate prescription will certainly help. ...Read more

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Does changing eyeglasses prescription, tinting and uv cut help with minears disease.?

Does changing eyeglasses prescription, tinting and uv cut help with minears disease.?

Probably not: Meniere's is an inner ear problem and not due to any dysfunction of the eye. The triggers are unknown but do not appear to be visual. I assume you have consulted with an otolaryngologist or better yet a neuro-otologist if there is one in your area. ...Read more

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Please help docs! Where can I buy new eyeglasses without a prescription by giving my current lenses for them to copy?

Please help docs! Where can I buy new eyeglasses without a prescription by giving my current lenses for them to copy?

Optical shops: Some optical shops will do this with the advice that they take no responsibility for the quality of vision and will not correct problems. In many States, laws forbid this practi ce. You might have to hunt around and of course you could probably get this done with no issue in many foreign countries. ...Read more

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My new eyeglasses prescriptions are giving me a headache. Only a 0.5 change from old prescription. It has been 3 weeks since wearing new prescp.?

My new eyeglasses prescriptions are giving me a headache. Only a 0.5 change from old prescription. It has been 3 weeks since wearing new prescp.?

Check with optician: First check with the optician who made the glasses to see if the prescription was followed correctly. Optical centration is important that can also be checked by the optician. If these are fine, then return to the prescribing ophthalmologist with the glasses in hand to see what the problem is. ...Read more

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Chronic migraine started 3 months ago non stop, around the same time I also got my new prescription eyeglasses. No medication works. Is it glasses?

Chronic migraine started 3 months ago non stop, around the same time I also got my new prescription eyeglasses. No medication works. Is it glasses?

Migraine/ glasses: Possible, it could be would go back to the prescriber of the glasses and discuss the issue. But may be that the problem causing the vision issue is causing the headaches as well. Check for eye pressure, also go to doctor neurologist to check for any brain issues causing headache (pituitary adenoma), chronic sinusitis (usually no eye issues) or infection like lyme, chikunga, West Nile, ...Read more

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Is it safe to use my contact lens prescription values for eyeglasses?

Is it safe to use my contact lens prescription values for eyeglasses?

Not correct: Eyeglasses and contacts lens prescriptions are not the same. There is a power difference since the glasses are farther from the cornea surface compared to contact lens. Thus you need a different prescription, plus contact lens requires a base curve and diameter in addition to the power. ...Read more

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Buying pre-prescribed eyeglasses for nearsightedness, do I need a prescription?

Depends: Over the counter reading glasses assume both eyes are the same without astigmatic error. This is rarely the case. Frames are also designed for the "average" face and cannot be custom fit to your interpupillary distance. That being sain, there is no harm in trying a pair to see if they work for you. ...Read more

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How do I find what prescription my eyeglasses are, without going to another doctor?

How do I find what prescription my eyeglasses are, without going to another doctor?

Eyeglass store: An eyeglass store usually has a machine that can measure the refraction of your current pair of glasses. To change the prescription, you would need an eye exam by an optometrist or ophthalmologist. Also you would probably need a prescription to make completely new glasses, unless they're replacing broken ones. ...Read more

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My eyeglasses prescription is -8.00. What's a best guess at my snellen visual acuity?

My eyeglasses prescription is -8.00. What's a best guess at my snellen visual acuity?

With or without: It depends if you are corrected without any other eye issues then you probably can see 20/20. You cannot see snellen chart without correction therefore there is no measure for it. You probably can see near card at 4-6inches without correction. ...Read more

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Is it possible to purchase myopic far sighted eyeglasses at the drugstore without a prescription?

Is it possible to purchase myopic far sighted eyeglasses at the drugstore without a prescription?

No: Myopic person is near sighted that means the person can see near but not distance. In order to see distance you need prescription glasses. The store glasses are for reading near they are magnifier or plus lenses. It may work for a far sighted person who can see far better than near. The far sighted person needs magnifier plus lens to see far or near. ...Read more

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The latest crizal eyeglass coating with sph26 will be added to my prescription eyeglasses. Can someone tell me if this gives extra sun protection?

They say so: "yes! All crizal lenses offer the most complete daily protection against the invisible and often irreversible dangers of uv reflection." from their website....http://www. Crizalusa. Com/about-crizal/faq/pages/default. Aspx. ...Read more

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Can an md who is not an ophthalmologist write a prescription for getting eyeglasses?

Can an md who is not an ophthalmologist write a prescription for getting eyeglasses?

Not appropriate: If you needed such a note to get reading glasses you can pick out by yourself at a kiosk, it would be fine. Having them covered by your HSA can be a hassle. Beyond that it would not be appropriate. Your doc would not have the proper equipment to properly assess your eyes for glasses. The state medical boards expect docs to practice within the areas they train and discipline those who don't ...Read more

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I'm wearing 3 yr. Old prescription eyeglasses. I'm having dizziness, migraines, & lightheadedness almost everyday. Do I need new eyeglasses?

I'm wearing 3 yr. Old prescription eyeglasses. I'm having dizziness, migraines, & lightheadedness almost everyday. Do I need new eyeglasses?

Not necessarily: Your migraines msy be caused by a variety of different reasons from the food you eat to the lack of sleep you might undergo. A change in your eye prescription is not known to cause migraines. ...Read more

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I've had a new prescription for eyeglasses for 5 days and have an annoying headache behind the weaker eye. Is this common and when will I adjust?

I've had a new prescription for eyeglasses for 5 days and have an annoying headache behind the weaker eye. Is this common and when will I adjust?

About a week.: It can sometimes take a bit to acclimate to the glasses depending in how different the prescription is from the old glasses. I'd give it at least a week before contacting the eye doctor who prescribed the glasses. ...Read more

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How do doctors know what prescription is needed for baby eyeglasses, if babies can't read an eye chart?

How do doctors know what prescription is needed for baby eyeglasses, if babies can't read an eye chart?

Refraction: Refraction is the measurement of how much the eye bends light. Refraction can be performed subjecively - the doctor shows the patient an image through progressively stronger lenses until the patient sees clearly - or objectively, by measuring how reflected light from the eye is bent and using lenses to "straighten" the bend without the patient giving his/her input. This method is used for children. ...Read more

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What is the weakest glasses prescription you can get?

What is the weakest glasses prescription you can get?

No prescription: Plain glass lenses can be worn for those who like how they look in glasses. If you are blurred when you read or look at distances, even a mild prescription may help you. Usually, people can avoid wearing glasses if they have prescriptions of up to 0.5 diopters; some individuals may feel more visually comfortable with even this low of a glasses prescription. ...Read more

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My glasses are -7.25 what prescription would my contacts be?

Not enough info: In order to fit contact lenses to your eyes, you need the corneal curvature in addition to the glasses power. Also a discussion of your vision goals, such as any need to see well at near and distance versus distance only, is used to determine the initial contact lens parameters. Your eye care provider will make these measurements. ...Read more

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Where can I get non-prescription glasses?

Pharmacy: I assume that you have good distance vision and need glasses for reading and near work. Most pharmacies, and other retail outlets have racks of glasses that you can try before buying until you get the proper magnification for reading. These are inexpensive. Dollar stores have them for 1$ but they are a bit rickety. If you know your power need you can order them off the internet. ...Read more

Dr. Tim Conrad
516 Doctors shared insights

Eyeglasses (Definition)

Babies sometimes need eyeglasses to correct vision or to correct ...Read more